draft room threads feature

README.md

@@ -14,7 +14,7 @@ KevaChat Application for Gemini Protocol
 
 * [x] Multiple host support
 * [x] Room list
-* [ ] Room threads
+* [x] Room threads
 * [ ] Post publication
 * [ ] Media viewer
 * [ ] Users auth

example/config.json

@@ -22,6 +22,10 @@
     {
         "room":
         {
+            "key":
+            {
+                "regex":"/^[\\w\\s\\._-]{2,64}$/ui"
+            },
             "pin":[]
         },
         "post":

src/controller/room.php

@@ -36,49 +36,23 @@ class Room
                 continue;
             }
 
-            // Calculate room totals
+            // Validate room name compatible with settings
-            $total = 0;
+            if (!preg_match((string) $this->_config->kevachat->room->key->regex, $namespace['displayName']))
-
-            foreach ((array) $this->_kevacoin->kevaFilter($namespace['namespaceId']) as $record)
-            {
-                // Skip values with meta keys
-                if (str_starts_with($record['key'], '_'))
             {
                 continue;
             }
 
-                // Validate value format allowed in settings
+            // Calculate room totals
-                if (!preg_match((string) $this->_config->kevachat->post->value->regex, $record['value']))
+            $total = 0;
-                {
-                    continue;
-                }
-
-                // Validate key format allowed in settings
-                if (!preg_match($this->_config->kevachat->post->key->regex, $record['key'], $matches))
-                {
-                    continue;
-                }
 
-                // Timestamp required in key
+            foreach ((array) $this->_kevacoin->kevaFilter($namespace['namespaceId']) as $record)
-                if (empty($matches[1]))
             {
-                    continue;
+                // Is protocol compatible post
-                }
+                if ($this->post($namespace['namespaceId'], $record['key'], 'txid'))
-
-                // Username required in key
-                if (empty($matches[2]))
                 {
-                    continue;
-                }
-
-                // Legacy usernames backport (used to replace undefined names to @anon)
-                /*
-                if (!preg_match((string) $this->_config->kevachat->user->name->regex, $matches[2]))
-                {}
-                */
-
                     $total++;
                 }
+            }
 
             // Add to room list
             $namespaces[] =
@@ -159,4 +133,208 @@ class Room
             )
         );
     }
+
+    public function posts(string $namespace): ?string
+    {
+        $posts = [];
+
+        foreach ((array) $this->_kevacoin->kevaFilter($namespace) as $record)
+        {
+            if (empty($record['key']))
+            {
+                continue;
+            }
+
+            if ($post = $this->post($namespace, $record['key']))
+            {
+                $posts[] = $post;
+            }
+        }
+
+        return str_replace(
+            [
+                '{logo}',
+                '{subject}',
+                '{posts}'
+            ],
+            [
+                file_get_contents(
+                    __DIR__ . '/../../logo.ascii'
+                ),
+                $namespace,
+                implode(
+                    PHP_EOL,
+                    $posts
+                )
+            ],
+            file_get_contents(
+                __DIR__ . '/../view/posts.gemini'
+            )
+        );
+    }
+
+    public function post(string $namespace, string $key, ?string $field = null): ?string
+    {
+        // Check record exists
+        if (!$record = (array) $this->_kevacoin->kevaGet($namespace, $key))
+        {
+            return null;
+        }
+
+        // Skip values with meta keys
+        if (str_starts_with($record['key'], '_'))
+        {
+            return null;
+        }
+
+        // Validate value format allowed in settings
+        if (!preg_match((string) $this->_config->kevachat->post->value->regex, $record['value']))
+        {
+            return null;
+        }
+
+        // Validate key format allowed in settings
+        if (!preg_match($this->_config->kevachat->post->key->regex, $record['key'], $matches))
+        {
+            return null;
+        }
+
+        // Timestamp required in key
+        if (empty($matches[1]))
+        {
+            return null;
+        }
+
+        // Username required in key
+        if (empty($matches[2]))
+        {
+            return null;
+        }
+
+        // Is raw field request
+        if ($field && isset($record[$field]))
+        {
+            return $record[$field];
+        }
+
+        // Legacy usernames backport
+        if (!preg_match((string) $this->_config->kevachat->user->name->regex, $matches[2]))
+        {
+            $matches[2] = '@anon';
+        }
+
+        // Try to find related quote value
+        $quote = null;
+        if (preg_match('/^@([A-z0-9]{64})/', $record['value'], $mention))
+        {
+            if (!empty($mention[1]))
+            {
+                $quote = '@' . $mention[1]; // @TODO replace to post message by txid
+
+                // Remove mention from message
+                $record['value'] = preg_replace('/^@([A-z0-9]{64})/', null, $record['value']);
+            }
+        }
+
+        // Build final view and send to response
+        return str_replace(
+            [
+                '{time}',
+                '{author}',
+                '{quote}',
+                '{message}',
+            ],
+            [
+                $this->_ago(
+                    $matches[1]
+                ),
+                '@' . $matches[2],
+                trim(
+                    $quote
+                ),
+                trim(
+                    $record['value']
+                )
+            ],
+            file_get_contents(
+                __DIR__ . '/../view/post.gemini'
+            )
+        );
+    }
+
+    private function _ago(int $time): string
+    {
+        $diff = time() - $time;
+
+        if ($diff < 1)
+        {
+            return _('now');
+        }
+
+        $values =
+        [
+            365 * 24 * 60 * 60 =>
+            [
+                _('year ago'),
+                _('years ago'),
+                _(' years ago')
+            ],
+            30  * 24 * 60 * 60 =>
+            [
+                _('month ago'),
+                _('months ago'),
+                _(' months ago')
+            ],
+            24 * 60 * 60 =>
+            [
+                _('day ago'),
+                _('days ago'),
+                _(' days ago')
+            ],
+            60 * 60 =>
+            [
+                _('hour ago'),
+                _('hours ago'),
+                _(' hours ago')
+            ],
+            60 =>
+            [
+                _('minute ago'),
+                _('minutes ago'),
+                _(' minutes ago')
+            ],
+            1 =>
+            [
+                _('second ago'),
+                _('seconds ago'),
+                _(' seconds ago')
+            ]
+        ];
+
+        foreach ($values as $key => $value)
+        {
+            $result = $diff / $key;
+
+            if ($result >= 1)
+            {
+                $round = round($result);
+
+                return sprintf(
+                    '%s %s',
+                    $round,
+                    $this->_plural(
+                        $round,
+                        $value
+                    )
+                );
+            }
+        }
+    }
+
+    private function _plural(int $number, array $texts)
+    {
+        $cases = [2, 0, 1, 1, 1, 2];
+
+        return $texts[(($number % 100) > 4 && ($number % 100) < 20) ? 2 : $cases[min($number % 10, 5)]];
+    }
 }

src/server.php

@@ -100,9 +100,25 @@ foreach ((array) scandir(__DIR__ . '/../host') as $host)
                 // Dynamical requests
                 default:
 
-                    if (str_starts_with($request->getPath(), '/room/'))
+                    // Room posts by namespace
+                    if (preg_match('/^\/room\/(N[A-z0-9]{33})$/', $request->getPath(), $matches))
                     {
-                        // @TODO
+                        if (!empty($matches[1]))
+                        {
+                            include_once __DIR__ . '/controller/room.php';
+
+                            $room = new \Kevachat\Geminiapp\Controller\Room(
+                                $config
+                            );
+
+                            $response->setContent(
+                                $room->posts(
+                                    $matches[1]
+                                )
+                            );
+
+                            return $response;
+                        }
                     }
             }
 

src/view/post.gemini

@@ -1,7 +1,6 @@
 ## {author}
-
 > {quote}
-
-``` {time}
-
 {message}
+```
+{time}
+```

src/view/posts.gemini

@@ -0,0 +1,5 @@
+```{logo}```
+
+# {subject}
+
+{posts}